refactor: simplify casting instructions

src/main/kotlin/app/revanced/patches/backdrops/misc/pro/patch/ProUnlockPatch.kt

@@ -1,15 +1,14 @@
 package app.revanced.patches.backdrops.misc.pro.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.extensions.MethodFingerprintExtensions.name
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.extensions.instruction
 import app.revanced.patcher.patch.BytecodePatch
 import app.revanced.patcher.patch.PatchResult
-import app.revanced.patcher.patch.PatchResultError
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patches.backdrops.misc.pro.annotations.ProUnlockCompatibility
@@ -25,17 +24,20 @@ class ProUnlockPatch : BytecodePatch(
     listOf(ProUnlockFingerprint)
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val result = ProUnlockFingerprint.result ?: return PatchResultError("${ProUnlockFingerprint.name} not found")
+        ProUnlockFingerprint.result?.let { result ->
+            val registerIndex = result.scanResult.patternScanResult!!.endIndex - 1
 
-        val moveRegisterInstruction = result.mutableMethod.instruction(result.scanResult.patternScanResult!!.endIndex - 1)
-        val register = (moveRegisterInstruction as OneRegisterInstruction).registerA
+            result.mutableMethod.apply {
+                val register = instruction<OneRegisterInstruction>(registerIndex).registerA
+                addInstructions(
+                    result.scanResult.patternScanResult!!.endIndex,
+                    """
+                        const/4 v$register, 0x1
+                    """
+                )
+            }
 
-        result.mutableMethod.addInstructions(
-            result.scanResult.patternScanResult!!.endIndex,
-            """
-                const/4 v$register, 0x1
-            """
-        )
+        } ?: return ProUnlockFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/instagram/patches/ads/timeline/patch/HideTimelineAdsPatch.kt

@@ -55,8 +55,8 @@ class HideTimelineAdsPatch : BytecodePatch(
             val scanStart = scanResult.patternScanResult!!.startIndex
             val jumpIndex = scanStart - 1
 
-            val mediaInstanceRegister = (mutableMethod.instruction(scanStart) as FiveRegisterInstruction).registerC
-            val freeRegister = (mutableMethod.instruction(jumpIndex) as OneRegisterInstruction).registerA
+            val mediaInstanceRegister = mutableMethod.instruction<FiveRegisterInstruction>(scanStart).registerC
+            val freeRegister = mutableMethod.instruction<OneRegisterInstruction>(jumpIndex).registerA
 
             val returnFalseLabel = "an_ad"
 

src/main/kotlin/app/revanced/patches/shared/misc/fix/spoof/patch/ClientSpoofPatch.kt

@@ -30,7 +30,8 @@ class ClientSpoofPatch : BytecodePatch(
         UserAgentHeaderBuilderFingerprint.result?.let { result ->
             val insertIndex = result.scanResult.patternScanResult!!.endIndex
            result.mutableMethod.apply {
-               val packageNameRegister = (instruction(insertIndex) as FiveRegisterInstruction).registerD
+               val packageNameRegister = instruction<FiveRegisterInstruction>(insertIndex).registerD
+
                addInstruction(insertIndex, "const-string v$packageNameRegister, \"$ORIGINAL_PACKAGE_NAME\"")
            }
 

src/main/kotlin/app/revanced/patches/shared/misc/fix/verticalscroll/patch/VerticalScrollPatch.kt

@@ -20,19 +20,17 @@ class VerticalScrollPatch : BytecodePatch(
     listOf(CanScrollVerticallyFingerprint)
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val result = CanScrollVerticallyFingerprint.result ?: return CanScrollVerticallyFingerprint.toErrorResult()
+        CanScrollVerticallyFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val insertIndex = it.scanResult.patternScanResult!!.endIndex
+                val moveResultRegister = instruction<OneRegisterInstruction>(insertIndex - 1).registerA
 
-        with(result) {
-            val method = mutableMethod
-
-            val moveResultIndex = scanResult.patternScanResult!!.endIndex
-            val moveResultRegister = (method.instruction(moveResultIndex) as OneRegisterInstruction).registerA
-
-            method.addInstruction(
-                moveResultIndex + 1,
-                "const/4 v$moveResultRegister, 0x0"
-            )
-        }
+                addInstruction(
+                    insertIndex,
+                    "const/4 v$moveResultRegister, 0x0"
+                )
+            }
+        } ?: return CanScrollVerticallyFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/spotify/audio/bytecode/patch/DisableCaptureRestrictionBytecodePatch.kt

@@ -50,6 +50,8 @@ class DisableCaptureRestrictionBytecodePatch : BytecodePatch(
             // Store register of the integer parameter for setAllowedCapturePolicy
             invokeParamRegister = (instruction as FiveRegisterInstruction).registerD
             invokePosition = index
+
+            break
         }
 
         if(invokePosition == null || invokeParamRegister == null)

src/main/kotlin/app/revanced/patches/tiktok/misc/settings/patch/SettingsPatch.kt

@@ -25,7 +25,6 @@ import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
 import org.jf.dexlib2.iface.instruction.ReferenceInstruction
 import org.jf.dexlib2.iface.instruction.formats.Instruction35c
 import org.jf.dexlib2.iface.reference.StringReference
-import org.jf.dexlib2.iface.reference.TypeReference
 
 @Patch
 @DependsOn([IntegrationsPatch::class])
@@ -96,7 +95,7 @@ class SettingsPatch : BytecodePatch(
     private fun patchOptionNameAndOnClickEvent(index: Int, context: BytecodeContext) {
         with(SettingsOnViewCreatedFingerprint.result!!.mutableMethod) {
             // Patch option name
-            val overrideRegister = (instruction(index - 4) as OneRegisterInstruction).registerA
+            val overrideRegister = instruction<OneRegisterInstruction>(index - 4).registerA
             replaceInstruction(
                 index - 4,
                 """
@@ -105,16 +104,14 @@ class SettingsPatch : BytecodePatch(
             )
 
             // Patch option OnClick Event
-            with(((instruction(index) as ReferenceInstruction).reference as TypeReference).type) {
-                context.findClass(this)!!.mutableClass.methods.first { it.name == "onClick" }
-                    .addInstructions(
-                        0,
-                        """
-                                 invoke-static {}, Lapp/revanced/tiktok/settingsmenu/SettingsMenu;->startSettingsActivity()V
-                                 return-void
-                             """
-                    )
-            }
+            val type = instruction<ReferenceInstruction>(index).reference.toString()
+            context.findClass(type)!!.mutableClass.methods.first { type == "onClick" }.addInstructions(
+                0,
+            """
+                     invoke-static {}, Lapp/revanced/tiktok/settingsmenu/SettingsMenu;->startSettingsActivity()V
+                     return-void
+                 """
+            )
         }
     }
 }

src/main/kotlin/app/revanced/patches/tiktok/misc/spoof/sim/patch/SpoofSimPatch.kt

@@ -97,14 +97,14 @@ class SpoofSimPatch : BytecodePatch() {
 
     // Patch Android API and return fake sim information
     private fun MutableMethod.replaceReference(index: Int, replacement: String) {
-        val resultReg = (instruction(index + 1) as OneRegisterInstruction).registerA
+        val resultReg = instruction<OneRegisterInstruction>(index + 1).registerA
 
         addInstructions(
             index + 2,
-            """
-                     invoke-static {v$resultReg}, Lapp/revanced/tiktok/spoof/sim/SpoofSimPatch;->$replacement(Ljava/lang/String;)Ljava/lang/String;
-                     move-result-object v$resultReg
-                 """
+        """
+                 invoke-static {v$resultReg}, Lapp/revanced/tiktok/spoof/sim/SpoofSimPatch;->$replacement(Ljava/lang/String;)Ljava/lang/String;
+                 move-result-object v$resultReg
+             """
         )
     }
 }

src/main/kotlin/app/revanced/patches/twitch/chat/antidelete/patch/ShowDeletedMessagesPatch.kt

@@ -4,8 +4,12 @@ import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.extensions.*
-import app.revanced.patcher.patch.*
+import app.revanced.patcher.extensions.addInstruction
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.extensions.instruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.DependsOn
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patcher.util.smali.ExternalLabel
@@ -13,7 +17,9 @@ import app.revanced.patches.shared.settings.preference.impl.ArrayResource
 import app.revanced.patches.shared.settings.preference.impl.ListPreference
 import app.revanced.patches.shared.settings.preference.impl.StringResource
 import app.revanced.patches.twitch.chat.antidelete.annotations.ShowDeletedMessagesCompatibility
-import app.revanced.patches.twitch.chat.antidelete.fingerprints.*
+import app.revanced.patches.twitch.chat.antidelete.fingerprints.ChatUtilCreateDeletedSpanFingerprint
+import app.revanced.patches.twitch.chat.antidelete.fingerprints.DeletedMessageClickableSpanCtorFingerprint
+import app.revanced.patches.twitch.chat.antidelete.fingerprints.SetHasModAccessFingerprint
 import app.revanced.patches.twitch.misc.integrations.patch.IntegrationsPatch
 import app.revanced.patches.twitch.misc.settings.bytecode.patch.SettingsPatch
 

src/main/kotlin/app/revanced/patches/twitch/misc/settings/bytecode/patch/SettingsPatch.kt

@@ -4,7 +4,9 @@ import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.data.BytecodeContext
-import app.revanced.patcher.extensions.*
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.extensions.instruction
+import app.revanced.patcher.extensions.or
 import app.revanced.patcher.fingerprint.method.impl.MethodFingerprintResult
 import app.revanced.patcher.patch.BytecodePatch
 import app.revanced.patcher.patch.PatchResult
@@ -19,7 +21,10 @@ import app.revanced.patches.shared.settings.util.AbstractPreferenceScreen
 import app.revanced.patches.twitch.misc.integrations.patch.IntegrationsPatch
 import app.revanced.patches.twitch.misc.settings.annotations.SettingsCompatibility
 import app.revanced.patches.twitch.misc.settings.components.CustomPreferenceCategory
-import app.revanced.patches.twitch.misc.settings.fingerprints.*
+import app.revanced.patches.twitch.misc.settings.fingerprints.MenuGroupsOnClickFingerprint
+import app.revanced.patches.twitch.misc.settings.fingerprints.MenuGroupsUpdatedFingerprint
+import app.revanced.patches.twitch.misc.settings.fingerprints.SettingsActivityOnCreateFingerprint
+import app.revanced.patches.twitch.misc.settings.fingerprints.SettingsMenuItemEnumFingerprint
 import app.revanced.patches.twitch.misc.settings.resource.patch.SettingsResourcePatch
 import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.immutable.ImmutableField

src/main/kotlin/app/revanced/patches/youtube/ad/general/bytecode/patch/GeneralAdsPatch.kt

@@ -1,6 +1,7 @@
 package app.revanced.patches.youtube.ad.general.bytecode.patch
 
 import app.revanced.extensions.findMutableMethodOf
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -9,16 +10,15 @@ import app.revanced.patcher.extensions.addInstruction
 import app.revanced.patcher.extensions.instruction
 import app.revanced.patcher.patch.BytecodePatch
 import app.revanced.patcher.patch.PatchResult
-import app.revanced.patcher.patch.PatchResultError
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.DependsOn
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
+import app.revanced.patches.shared.misc.fix.verticalscroll.patch.VerticalScrollPatch
 import app.revanced.patches.youtube.ad.general.annotation.GeneralAdsCompatibility
 import app.revanced.patches.youtube.ad.general.bytecode.fingerprints.ReelConstructorFingerprint
 import app.revanced.patches.youtube.ad.general.resource.patch.GeneralAdsResourcePatch
 import app.revanced.patches.youtube.misc.fix.backtoexitgesture.patch.FixBackToExitGesturePatch
-import app.revanced.patches.shared.misc.fix.verticalscroll.patch.VerticalScrollPatch
 import org.jf.dexlib2.iface.instruction.TwoRegisterInstruction
 import org.jf.dexlib2.iface.instruction.formats.Instruction31i
 import org.jf.dexlib2.iface.instruction.formats.Instruction35c
@@ -71,20 +71,16 @@ class GeneralAdsPatch : BytecodePatch(
             }
         }
 
-        with(
-            ReelConstructorFingerprint.result
-                ?: return PatchResultError("Could not resolve fingerprint")
-        ) {
+        ReelConstructorFingerprint.result?.let {
             // iput-object v$viewRegister, ...
-            val insertIndex = this.scanResult.patternScanResult!!.startIndex + 2
+            val insertIndex = it.scanResult.patternScanResult!!.startIndex + 2
 
-            with(this.mutableMethod) {
-                val viewRegister = (instruction(insertIndex) as TwoRegisterInstruction).registerA
+            it.mutableMethod.apply {
+                val viewRegister = instruction<TwoRegisterInstruction>(insertIndex).registerA
 
                 injectHideCall(insertIndex, viewRegister, "hideReelView")
             }
-
-        }
+        } ?: return ReelConstructorFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/buttons/autoplay/patch/HideAutoplayButtonPatch.kt

@@ -69,7 +69,7 @@ class HideAutoplayButtonPatch : BytecodePatch(
             val jumpInstruction = layoutGenMethodInstructions[insertIndex + branchIndex] as Instruction
 
             // can be clobbered because this register is overwritten after the injected code
-            val clobberRegister = (instruction(insertIndex) as OneRegisterInstruction).registerA
+            val clobberRegister = instruction<OneRegisterInstruction>(insertIndex).registerA
 
             addInstructions(
                 insertIndex,

src/main/kotlin/app/revanced/patches/youtube/layout/buttons/navigation/patch/NavigationButtonsPatch.kt

@@ -149,7 +149,7 @@ class NavigationButtonsPatch : BytecodePatch(listOf(AddCreateButtonViewFingerpri
                 }!!.index
 
                 val conditionalCheckIndex = stringIndex - 1
-                val conditionRegister = (instruction(conditionalCheckIndex) as OneRegisterInstruction).registerA
+                val conditionRegister = instruction<OneRegisterInstruction>(conditionalCheckIndex).registerA
 
                 addInstructions(
                     conditionalCheckIndex,

src/main/kotlin/app/revanced/patches/youtube/layout/buttons/navigation/utils/InjectionUtils.kt

@@ -20,7 +20,7 @@ internal object InjectionUtils {
 
         // Register to pass to the hook
         val registerIndex = insertIndex - 1 // MOVE_RESULT_OBJECT is always the previous instruction
-        val register = (injectTarget.instruction(registerIndex) as OneRegisterInstruction).registerA
+        val register = injectTarget.instruction<OneRegisterInstruction>(registerIndex).registerA
 
         injectTarget.addInstruction(
             insertIndex,

src/main/kotlin/app/revanced/patches/youtube/layout/buttons/player/hide/patch/HidePlayerButtonsPatch.kt

@@ -55,7 +55,7 @@ class HidePlayerButtonsPatch : BytecodePatch(
 
         PlayerControlsVisibilityModelFingerprint.result?.apply {
             val callIndex = scanResult.patternScanResult!!.endIndex
-            val callInstruction = mutableMethod.instruction(callIndex) as Instruction3rc
+            val callInstruction = mutableMethod.instruction<Instruction3rc>(callIndex)
 
             // overriding this parameter register hides the previous and next buttons
             val hasNextParameterRegister = callInstruction.startRegister + ParameterOffsets.HAS_NEXT

src/main/kotlin/app/revanced/patches/youtube/layout/hide/albumcards/bytecode/patch/AlbumCardsPatch.kt

@@ -1,5 +1,6 @@
 package app.revanced.patches.youtube.layout.hide.albumcards.bytecode.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -29,16 +30,22 @@ class AlbumCardsPatch : BytecodePatch(
     )
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val albumCardsResult = AlbumCardsFingerprint.result!!
-        val albumCardsMethod = albumCardsResult.mutableMethod
+        AlbumCardsFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val checkCastAnchorIndex = it.scanResult.patternScanResult!!.endIndex
+                val insertIndex = checkCastAnchorIndex + 1
 
-        val checkCastAnchorIndex = albumCardsResult.scanResult.patternScanResult!!.endIndex
+                val albumCardViewRegister = instruction<OneRegisterInstruction>(checkCastAnchorIndex).registerA
 
-        albumCardsMethod.addInstruction(
-            checkCastAnchorIndex + 1, """
-            invoke-static {v${(albumCardsMethod.instruction(checkCastAnchorIndex) as OneRegisterInstruction).registerA}}, Lapp/revanced/integrations/patches/HideAlbumCardsPatch;->hideAlbumCards(Landroid/view/View;)V
-        """
-        )
+                addInstruction(
+                    insertIndex,
+                    "invoke-static {v$albumCardViewRegister}, " +
+                            "Lapp/revanced/integrations/patches/HideAlbumCardsPatch;" +
+                            "->" +
+                            "hideAlbumCards(Landroid/view/View;)V"
+                )
+            }
+        } ?: return AlbumCardsFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/breakingnews/bytecode/patch/BreakingNewsPatch.kt

@@ -1,5 +1,6 @@
 package app.revanced.patches.youtube.layout.hide.breakingnews.bytecode.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -24,22 +25,29 @@ import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
 @BreakingNewsCompatibility
 @Version("0.0.1")
 class BreakingNewsPatch : BytecodePatch(
-    listOf(
-        BreakingNewsFingerprint,
-    )
+    listOf(BreakingNewsFingerprint)
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val breakingNewsResult = BreakingNewsFingerprint.result!!
-        val breakingNewsMethod = breakingNewsResult.mutableMethod
+        BreakingNewsFingerprint.result?.let {
+            val insertIndex = it.scanResult.patternScanResult!!.endIndex - 1
+            val moveResultIndex = insertIndex - 1
 
-        val moveResultObjectIndex =
-            breakingNewsResult.scanResult.patternScanResult!!.endIndex - 2
+            it.mutableMethod.apply {
+                val breakingNewsViewRegister = instruction<OneRegisterInstruction>(moveResultIndex).registerA
+
+                addInstruction(
+                    insertIndex,
+                    """
+                        invoke-static {v$breakingNewsViewRegister}, 
+                        Lapp/revanced/integrations/patches/HideBreakingNewsPatch;
+                        ->
+                        hideBreakingNews(Landroid/view/View;)V
+                    """
+                )
+            }
+
+        } ?: return BreakingNewsFingerprint.toErrorResult()
 
-        breakingNewsMethod.addInstruction(
-            moveResultObjectIndex + 1, """
-            invoke-static {v${(breakingNewsMethod.instruction(moveResultObjectIndex) as OneRegisterInstruction).registerA}}, Lapp/revanced/integrations/patches/HideBreakingNewsPatch;->hideBreakingNews(Landroid/view/View;)V
-        """
-        )
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/comments/bytecode/patch/CommentsPatch.kt

@@ -1,5 +1,6 @@
 package app.revanced.patches.youtube.layout.hide.comments.bytecode.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -32,9 +33,6 @@ class CommentsPatch : BytecodePatch(
     )
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val shortsCommentsButtonResult = ShortsCommentsButtonFingerprint.result!!
-        val shortsCommentsButtonMethod = shortsCommentsButtonResult.mutableMethod
-
         val checkCastAnchorFingerprint = object : MethodFingerprint(
             opcodes = listOf(
                 Opcode.CONST,
@@ -47,15 +45,24 @@ class CommentsPatch : BytecodePatch(
             )
         ) {}
 
-        val checkCastAnchorIndex = checkCastAnchorFingerprint.also {
-            it.resolve(context, shortsCommentsButtonMethod, shortsCommentsButtonResult.classDef)
-        }.result!!.scanResult.patternScanResult!!.endIndex
+        ShortsCommentsButtonFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val checkCastAnchorIndex = checkCastAnchorFingerprint.also { result ->
+                    if (!result.resolve(context, this, it.classDef))
+                        throw checkCastAnchorFingerprint.toErrorResult()
+                }.result!!.scanResult.patternScanResult!!.endIndex
 
-        shortsCommentsButtonMethod.addInstructions(
-            checkCastAnchorIndex + 1, """
-                invoke-static {v${(shortsCommentsButtonMethod.instruction(checkCastAnchorIndex) as OneRegisterInstruction).registerA}}, Lapp/revanced/integrations/patches/HideShortsCommentsButtonPatch;->hideShortsCommentsButton(Landroid/view/View;)V
-            """
-        )
+                val shortsCommentsButtonRegister = instruction<OneRegisterInstruction>(checkCastAnchorIndex).registerA
+                val insertIndex = checkCastAnchorIndex + 1
+
+                addInstructions(
+                    insertIndex,
+                    """
+                    invoke-static {v$shortsCommentsButtonRegister, Lapp/revanced/integrations/patches/HideShortsCommentsButtonPatch;->hideShortsCommentsButton(Landroid/view/View;)V
+                """
+                )
+            }
+        } ?: return ShortsCommentsButtonFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/crowdfundingbox/bytecode/patch/CrowdfundingBoxPatch.kt

@@ -33,7 +33,7 @@ class CrowdfundingBoxPatch : BytecodePatch(
         CrowdfundingBoxFingerprint.result?.let {
             it.mutableMethod.apply {
                 val insertIndex = it.scanResult.patternScanResult!!.endIndex
-                val objectRegister = (instruction(insertIndex) as TwoRegisterInstruction).registerA
+                val objectRegister = instruction<TwoRegisterInstruction>(insertIndex).registerA
 
                 addInstruction(insertIndex, "invoke-static {v$objectRegister}, $INTEGRATIONS_METHOD_DESCRIPTOR")
             }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/endscreencards/bytecode/patch/HideEndscreenCardsPatch.kt

@@ -1,5 +1,6 @@
 package app.revanced.patches.youtube.layout.hide.endscreencards.bytecode.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -35,19 +36,23 @@ class HideEndscreenCardsPatch : BytecodePatch(
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
         fun MethodFingerprint.injectHideCall() {
-            val layoutResult = result!!
-            val layoutMethod = layoutResult.mutableMethod
+            val layoutResult = result ?: throw toErrorResult()
+            layoutResult.mutableMethod.apply {
+                val insertIndex = layoutResult.scanResult.patternScanResult!!.endIndex + 1
+                val viewRegister = instruction<Instruction21c>(insertIndex - 1).registerA
 
-            val checkCastIndex = layoutResult.scanResult.patternScanResult!!.endIndex
-            val viewRegister = (layoutMethod.instruction(checkCastIndex) as Instruction21c).registerA
-
-            layoutMethod.addInstruction(
-                checkCastIndex + 1,
-                "invoke-static { v$viewRegister }, Lapp/revanced/integrations/patches/HideEndscreenCardsPatch;->hideEndscreen(Landroid/view/View;)V"
-            )
+                addInstruction(
+                    insertIndex,
+                    "invoke-static { v$viewRegister }, Lapp/revanced/integrations/patches/HideEndscreenCardsPatch;->hideEndscreen(Landroid/view/View;)V"
+                )
+            }
         }
-        
-        listOf(LayoutCircleFingerprint, LayoutIconFingerprint, LayoutVideoFingerprint).forEach(MethodFingerprint::injectHideCall)
+
+        listOf(
+            LayoutCircleFingerprint,
+            LayoutIconFingerprint,
+            LayoutVideoFingerprint
+        ).forEach(MethodFingerprint::injectHideCall)
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/floatingmicrophone/patch/HideFloatingMicrophoneButtonPatch.kt

@@ -29,7 +29,7 @@ class HideFloatingMicrophoneButtonPatch : BytecodePatch(
         ShowFloatingMicrophoneButtonFingerprint.result?.let { result ->
             with(result.mutableMethod) {
                 val insertIndex = result.scanResult.patternScanResult!!.startIndex + 1
-                val showButtonRegister = (instruction(insertIndex - 1) as TwoRegisterInstruction).registerA
+                val showButtonRegister = instruction<TwoRegisterInstruction>(insertIndex - 1).registerA
 
                 addInstructions(
                     insertIndex,

src/main/kotlin/app/revanced/patches/youtube/layout/hide/getpremium/bytecode/patch/HideGetPremiumVideoAdvertisementPatch.kt

@@ -45,8 +45,9 @@ class HideGetPremiumPatch : BytecodePatch(
         GetPremiumViewFingerprint.result?.let {
             it.mutableMethod.apply {
                 val startIndex = it.scanResult.patternScanResult!!.startIndex
-                val measuredWidthRegister = (instruction(startIndex) as TwoRegisterInstruction).registerA
-                val measuredHeightInstruction = instruction(startIndex + 1) as TwoRegisterInstruction
+                val measuredWidthRegister = instruction<TwoRegisterInstruction>(startIndex).registerA
+                val measuredHeightInstruction = instruction<TwoRegisterInstruction>(startIndex + 1)
+
                 val measuredHeightRegister = measuredHeightInstruction.registerA
                 val tempRegister = measuredHeightInstruction.registerB
 

src/main/kotlin/app/revanced/patches/youtube/layout/hide/infocards/patch/HideInfoCardsPatch.kt

@@ -20,7 +20,8 @@ import app.revanced.patches.youtube.layout.hide.infocards.fingerprints.Infocards
 import app.revanced.patches.youtube.layout.hide.infocards.resource.patch.HideInfocardsResourcePatch
 import app.revanced.patches.youtube.misc.integrations.patch.IntegrationsPatch
 import org.jf.dexlib2.Opcode
-import org.jf.dexlib2.builder.instruction.BuilderInstruction35c
+import org.jf.dexlib2.iface.instruction.FiveRegisterInstruction
+import org.jf.dexlib2.iface.instruction.ReferenceInstruction
 
 @Patch
 @DependsOn([IntegrationsPatch::class, HideInfocardsResourcePatch::class])
@@ -35,18 +36,17 @@ class HideInfoCardsPatch : BytecodePatch(
     )
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        with(InfocardsIncognitoFingerprint.also {
+       InfocardsIncognitoFingerprint.also {
             it.resolve(context, InfocardsIncognitoParentFingerprint.result!!.classDef)
-        }.result!!.mutableMethod) {
+        }.result!!.mutableMethod.apply {
             val invokeInstructionIndex = implementation!!.instructions.indexOfFirst {
                 it.opcode.ordinal == Opcode.INVOKE_VIRTUAL.ordinal &&
-                        ((it as? BuilderInstruction35c)?.reference.toString() ==
-                                "Landroid/view/View;->setVisibility(I)V")
+                        ((it as ReferenceInstruction).reference.toString() == "Landroid/view/View;->setVisibility(I)V")
             }
 
             addInstructions(
                 invokeInstructionIndex,
-                "invoke-static {v${(instruction(invokeInstructionIndex) as? BuilderInstruction35c)?.registerC}}," +
+                "invoke-static {v${instruction<FiveRegisterInstruction>(invokeInstructionIndex).registerC}}," +
                         " Lapp/revanced/integrations/patches/HideInfoCardsPatch;->hideInfoCardsIncognito(Landroid/view/View;)V"
             )
         }

src/main/kotlin/app/revanced/patches/youtube/layout/hide/personalinformation/bytecode/patch/HideEmailAddressPatch.kt

@@ -1,5 +1,6 @@
 package app.revanced.patches.youtube.layout.hide.personalinformation.bytecode.patch
 
+import app.revanced.extensions.toErrorResult
 import app.revanced.patcher.annotation.Description
 import app.revanced.patcher.annotation.Name
 import app.revanced.patcher.annotation.Version
@@ -29,23 +30,22 @@ class HideEmailAddressPatch : BytecodePatch(
     )
 ) {
     override fun execute(context: BytecodeContext): PatchResult {
-        val accountSwitcherAccessibilityLabelResult = AccountSwitcherAccessibilityLabelFingerprint.result!!
-        val accountSwitcherAccessibilityLabelMethod = accountSwitcherAccessibilityLabelResult.mutableMethod
+        AccountSwitcherAccessibilityLabelFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val setVisibilityConstIndex = it.scanResult.patternScanResult!!.endIndex
 
-        val setVisibilityConstIndex =
-            accountSwitcherAccessibilityLabelResult.scanResult.patternScanResult!!.endIndex
+                val setVisibilityConstRegister =
+                    instruction<OneRegisterInstruction>(setVisibilityConstIndex - 2).registerA
 
-        val setVisibilityConstRegister = (
-                accountSwitcherAccessibilityLabelMethod.instruction
-                (setVisibilityConstIndex - 2) as OneRegisterInstruction
-            ).registerA
-
-        accountSwitcherAccessibilityLabelMethod.addInstructions(
-            setVisibilityConstIndex, """
-            invoke-static {v$setVisibilityConstRegister}, Lapp/revanced/integrations/patches/HideEmailAddressPatch;->hideEmailAddress(I)I
-            move-result v$setVisibilityConstRegister
-        """
-        )
+                addInstructions(
+                    setVisibilityConstIndex,
+                    """
+                        invoke-static {v$setVisibilityConstRegister}, Lapp/revanced/integrations/patches/HideEmailAddressPatch;->hideEmailAddress(I)I
+                        move-result v$setVisibilityConstRegister
+                    """
+                )
+            }
+        } ?: return AccountSwitcherAccessibilityLabelFingerprint.toErrorResult()
 
         return PatchResultSuccess()
     }

src/main/kotlin/app/revanced/patches/youtube/layout/returnyoutubedislike/patch/ReturnYouTubeDislikePatch.kt

@@ -102,18 +102,21 @@ class ReturnYouTubeDislikePatch : BytecodePatch(
             val atomicReferenceStartIndex = TextComponentAtomicReferenceFingerprint.result!!
                 .scanResult.patternScanResult!!.startIndex
 
+            val insertIndex = atomicReferenceStartIndex + 8
+
             textComponentContextFingerprintResult.mutableMethod.apply {
                 // Get the conversion context obfuscated field name, and the registers for the AtomicReference and CharSequence
                 val conversionContextFieldReference =
-                    (instruction(conversionContextIndex) as ReferenceInstruction).reference
+                    instruction<ReferenceInstruction>(conversionContextIndex).reference
+
                 // any free register
                 val contextRegister =
-                    (instruction(atomicReferenceStartIndex) as TwoRegisterInstruction).registerB
-                val atomicReferenceRegister =
-                    (instruction(atomicReferenceStartIndex + 5) as FiveRegisterInstruction).registerC
+                    instruction<TwoRegisterInstruction>(atomicReferenceStartIndex).registerB
 
-                val insertIndex = atomicReferenceStartIndex + 8
-                val moveCharSequenceInstruction = instruction(insertIndex) as TwoRegisterInstruction
+                val atomicReferenceRegister =
+                    instruction<FiveRegisterInstruction>(atomicReferenceStartIndex + 5).registerC
+
+                val moveCharSequenceInstruction = instruction<TwoRegisterInstruction>(insertIndex)
                 val charSequenceRegister = moveCharSequenceInstruction.registerB
 
                 // Insert as first instructions at the control flow label.
@@ -145,8 +148,8 @@ class ReturnYouTubeDislikePatch : BytecodePatch(
                             return PatchResultError("Method signature did not match: $this $parameterTypes")
 
                         val insertIndex = implementation!!.instructions.size - 1
-                        val spannedParameterRegister = (instruction(insertIndex) as OneRegisterInstruction).registerA
-                        val parameter = (instruction(insertIndex - 2) as BuilderInstruction35c).reference
+                        val spannedParameterRegister = instruction<OneRegisterInstruction>(insertIndex).registerA
+                        val parameter = instruction<BuilderInstruction35c>(insertIndex - 2).reference
 
                         if (!parameter.toString().endsWith("Landroid/text/Spanned;"))
                             return PatchResultError("Method signature parameter did not match: $parameter")
@@ -171,9 +174,12 @@ class ReturnYouTubeDislikePatch : BytecodePatch(
         DislikesOldLayoutTextViewFingerprint.result?.let {
             it.mutableMethod.apply {
                 val startIndex = it.scanResult.patternScanResult!!.startIndex
-                val resourceIdentifierRegister = (instruction(startIndex) as OneRegisterInstruction).registerA
-                val textViewRegister = (instruction(startIndex + 4) as OneRegisterInstruction).registerA
-                addInstruction(startIndex + 4,
+
+                val resourceIdentifierRegister = instruction<OneRegisterInstruction>(startIndex).registerA
+                val textViewRegister = instruction<OneRegisterInstruction>(startIndex + 4).registerA
+
+                addInstruction(
+                    startIndex + 4,
                     "invoke-static {v$resourceIdentifierRegister, v$textViewRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->setOldUILayoutDislikes(ILandroid/widget/TextView;)V"
                 )
             }

src/main/kotlin/app/revanced/patches/youtube/layout/theme/bytecode/patch/ThemeBytecodePatch.kt

@@ -36,7 +36,7 @@ class ThemeBytecodePatch : BytecodePatch(
             val putColorValueIndex = it.method.indexOfInstructionWithSeekbarId!! + 3
 
             it.mutableMethod.apply {
-                val overrideRegister = (instruction(putColorValueIndex) as TwoRegisterInstruction).registerA
+                val overrideRegister = instruction<TwoRegisterInstruction>(putColorValueIndex).registerA
 
                 addInstructions(
                     putColorValueIndex,
@@ -57,7 +57,7 @@ class ThemeBytecodePatch : BytecodePatch(
                     .getMethod() as MutableMethod
 
                 method.apply {
-                    val colorRegister = (method.instruction(0) as TwoRegisterInstruction).registerA
+                    val colorRegister = method.instruction<TwoRegisterInstruction>(0).registerA
                     addInstructions(
                         0,
                         """

src/main/kotlin/app/revanced/patches/youtube/misc/video/information/patch/VideoInformationPatch.kt

@@ -93,7 +93,7 @@ class VideoInformationPatch : BytecodePatch(
 
             with(videoLengthMethodResult.mutableMethod) {
                 val videoLengthRegisterIndex = videoLengthMethodResult.scanResult.patternScanResult!!.endIndex - 2
-                val videoLengthRegister = (instruction(videoLengthRegisterIndex) as OneRegisterInstruction).registerA
+                val videoLengthRegister = instruction<OneRegisterInstruction>(videoLengthRegisterIndex).registerA
                 val dummyRegisterForLong = videoLengthRegister + 1 // required for long values since they are wide
 
                 addInstruction(
@@ -140,7 +140,7 @@ class VideoInformationPatch : BytecodePatch(
             speedSelectionInsertMethod = mutableMethod
             speedSelectionInsertIndex = scanResult.patternScanResult!!.startIndex - 3
             speedSelectionValueRegister =
-                (mutableMethod.instruction(speedSelectionInsertIndex) as FiveRegisterInstruction).registerD
+                mutableMethod.instruction<FiveRegisterInstruction>(speedSelectionInsertIndex).registerD
 
             val speedSelectionMethodInstructions = mutableMethod.implementation!!.instructions
             setPlaybackSpeedContainerClassFieldReference =

src/main/kotlin/app/revanced/patches/youtube/misc/video/speed/remember/patch/RememberPlaybackSpeedPatch.kt

@@ -7,7 +7,9 @@ import app.revanced.patcher.annotation.Version
 import app.revanced.patcher.data.BytecodeContext
 import app.revanced.patcher.extensions.addInstructions
 import app.revanced.patcher.extensions.instruction
-import app.revanced.patcher.patch.*
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.DependsOn
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patcher.util.smali.ExternalLabel

src/main/kotlin/app/revanced/patches/youtube/misc/video/videoid/patch/VideoIdPatch.kt

@@ -33,7 +33,7 @@ class VideoIdPatch : BytecodePatch(
             result.mutableMethod.also {
                 insertMethod = it
             }.apply {
-                videoIdRegister = (instruction(videoIdRegisterInstructionIndex) as OneRegisterInstruction).registerA
+                videoIdRegister = instruction<OneRegisterInstruction>(videoIdRegisterInstructionIndex).registerA
                 insertIndex = videoIdRegisterInstructionIndex + 1
             }
         } ?: return VideoIdFingerprint.toErrorResult()
@@ -44,7 +44,7 @@ class VideoIdPatch : BytecodePatch(
             result.mutableMethod.also {
                 backgroundPlaybackMethod = it
             }.apply {
-                backgroundPlaybackVideoIdRegister = (instruction(endIndex + 1) as OneRegisterInstruction).registerA
+                backgroundPlaybackVideoIdRegister = instruction<OneRegisterInstruction>(endIndex + 1).registerA
                 backgroundPlaybackInsertIndex = endIndex + 2
             }
         } ?: return VideoIdFingerprintBackgroundPlay.toErrorResult()

src/main/kotlin/app/revanced/patches/youtube/misc/zoomhaptics/patch/ZoomHapticsPatch.kt

@@ -12,9 +12,9 @@ import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.patch.annotations.DependsOn
 import app.revanced.patcher.patch.annotations.Patch
 import app.revanced.patcher.util.smali.ExternalLabel
-import app.revanced.patches.youtube.misc.settings.bytecode.patch.SettingsPatch
 import app.revanced.patches.shared.settings.preference.impl.StringResource
 import app.revanced.patches.shared.settings.preference.impl.SwitchPreference
+import app.revanced.patches.youtube.misc.settings.bytecode.patch.SettingsPatch
 import app.revanced.patches.youtube.misc.zoomhaptics.annotations.ZoomHapticsCompatibility
 import app.revanced.patches.youtube.misc.zoomhaptics.fingerprints.ZoomHapticsFingerprint
 

src/main/kotlin/app/revanced/patches/youtubevanced/ad/general/patch/HideAdsPatch.kt

@@ -32,7 +32,7 @@ class HideAdsPatch : BytecodePatch(
         ContainsAdFingerprint.result?.let { result ->
             result.mutableMethod.apply {
                 val insertIndex = result.scanResult.patternScanResult!!.endIndex + 1
-                val adsListRegister = (instruction(insertIndex - 2) as Instruction21c).registerA
+                val adsListRegister = instruction<Instruction21c>(insertIndex - 2).registerA
 
                 listOf(
                     "_buttoned_layout",